An information recording medium, such as a disc, is provided from which data can be read in a stable fashion even when a label for the information recording medium is adhered thereon. A label is partially attached to the information recording member in which an information recording layer is formed on a substrate, on a label surface opposite the substrate. The so-called partial attachment involves attaching the label to the disc at only a few selected points and not to the entire disc surface.
Legal claims defining the scope of protection, as filed with the USPTO.
1. An information recording medium, comprising: an information recording member having an information recording layer and a plurality of protruding sections provided on a side thereof opposite to a data writing/reading side of said information recording layer; and a label including a sheet-shaped base material, a plurality of isolated adhesive layers, and a plurality of holes provided on said sheet-shaped base material, wherein said plurality of holes interact with said plurality of protruding sections, and wherein said label is partially attached to said information recording member by way of said plurality of adhesive layers.
2. The information recording medium according to claim 1 , wherein at least one of said plurality of holes is an elongate hole.
3. The information recording medium according to claim 1 , wherein each of said plurality of adhesive layers is arranged so as to enclose each of said holes.
4. The information recording medium according to claim 1 , wherein said sheet-shaped base material of said label is formed of a material having a thermal expansion coefficient that is substantially equal to a thermal expansion coefficient of a substrate on which said information recording layer is formed.
5. An information recording medium, comprising: an information recording medium having an information recording layer formed on a substrate and a plurality of protruding sections formed on a label surface of the said information recording layer; and a label including a sheet-shaped base material and a plurality of holes formed in said sheet-shaped base material arranged to correspond to said protruding sections, wherein said sheet is attached to said label surface of said information recording member only by said holes being engaged with said protruding sections.
6. A label for adherence to an information recording medium the label, comprising: a sheet-shaped base material; and a plurality of holes and a plurality of isolated adhesive layers provided on said sheet-shaped base material.
7. The label according to claim 6 , wherein said plurality of isolated adhesive layers each have one of a circular shape, an elliptical shape, and a polygonal shape.
8. The label according to claim 6 , wherein said plurality of isolated adhesive layers have a shape in which a plurality of lines are combined.
9. The label according to claim 6 , further comprising a release sheet adhered to said plurality of isolated adhesive layers.
10. A label for adherence to an information recording medium, comprising: a sheet-shaped base material; and a ring-shaped adhesive layer provided on said sheet-shaped base material.
11. A method of adhering a label to an information recording medium, comprising the steps of: engaging a plurality of protruding sections provided on an information recording member, in which an information recording layer is formed on a transparent substrate, with a plurality of holes formed in a sheet-shaped base material of a label so as to interact with said protruding sections, wherein said protruding sections are provided on a label surface of said information recording layer, said sheet-shaped based material of said label is provided with a plurality of isolated adhesive layer locations, and said plurality of adhesive layer locations face said label surface of said information recording layer upon engaging said holes with said protruding sections; and bringing said plurality of adhesive layer locations of said label into contact with said information recording member on the label surface of said information recording layer.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
December 11, 2003
June 6, 2006
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